Factor Completely $x ^ { 2 } - 4 x - 45$

question 47

Multiple Choice

Factor completely. If the polynomial cannot be factored, write ʺprime.ʺ
- $x ^ { 2 } - 4 x - 45$

• A) \(( x - 5 ) ( x + 9 )\)
• B) \(( x - 5 ) ( x + 1 )\)
• C) \(( x + 5 ) ( x - 9 )\)
• D) Prime

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Definitions:

Replicable

Capable of being replicated or repeated with similar results.

Statistically Significant

A result that is unlikely to have occurred by chance alone, according to a predefined threshold in a statistical test.

Convenience Sample

A sampling technique where participants are selected based on their easy availability and proximity to the researcher.

Representative

An individual or entity chosen or appointed to act or speak on behalf of others.